16646532688882 has 8 divisors (see below), whose sum is σ = 24991493041152. Its totient is φ = 8316035008500.

The previous prime is 16646532688873. The next prime is 16646532688991. The reversal of 16646532688882 is 28888623564661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615665094 + ... + 3615669697.

It is an arithmetic number, because the mean of its divisors is an integer number (3123936630144).

Almost surely, 2^{16646532688882} is an apocalyptic number.

16646532688882 is a deficient number, since it is larger than the sum of its proper divisors (8344960352270).

16646532688882 is a wasteful number, since it uses less digits than its factorization.

16646532688882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231335944.

The product of its digits is 1274019840, while the sum is 73.

The spelling of 16646532688882 in words is "sixteen trillion, six hundred forty-six billion, five hundred thirty-two million, six hundred eighty-eight thousand, eight hundred eighty-two".